Spur drive



FIG. 1 is a perspective top view of a spur drive showing my new design;

FIG. 2 is perspective end view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a side elevational view thereof rotated 180 degrees from FIG. 5; and,

FIG. 7 is a side elevational view thereof rotated 90 degrees from FIG. 5.

The broken line showing of the spur drive is included for the purpose of illustrating portions of the spur drive and forms no part of the claimed design. 

The ornamental design for a spur drive, as shown and described. 